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Appl Microbiol. 1975 December; 30(6): 889–892.
PMCID: PMC376563

Effect of substrates on acetoin production by Torulopsis colliculosa and Enterobacter species.

Abstract

Under optimal conditions, Torulopsis colliculosa NRRL 172 and Enterobacter B-87 (ATCC 27613) produced 50 to 500 mg of acetoin per g of substrate. Whereas cane molasses, gur, glucose, and sucrose were suitable substrates for acetoin production, lactose and mannitol supported very good growth but yielded little or no acetoin. Production of acetoin increased with increases in the concentration of glucose, yeast extract, and peptone. Combination of substrates and intermittent feeding of substrate failed to increase the yields.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.
  • Bovallius A, Zacharias B. Variations in the metal content of some commercial media and their effect on microbial growth. Appl Microbiol. 1971 Sep;22(3):260–262. [PMC free article] [PubMed]
  • Button DK, Garver JC, Hajny GJ. Pilot plant glycerol production with a slow-feed osmophilic yeast fermentation. Appl Microbiol. 1966 Mar;14(2):292–294. [PMC free article] [PubMed]
  • HARVEY RJ, COLLINS EB. ROLES OF CITRATE AND ACETOIN IN THE METABOLISM OF STREPTOCOCCUS DIACETILACTIS. J Bacteriol. 1963 Dec;86:1301–1307. [PMC free article] [PubMed]
  • LONG SK, PATRICK R. THE PRESENT STATUS OF THE 2,3-BUTYLENE GLYCOL FERMENTATION. Adv Appl Microbiol. 1963;5:135–155. [PubMed]
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  • SMOGYI M. Notes on sugar determination. J Biol Chem. 1952 Mar;195(1):19–23. [PubMed]

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